This lock defroster is ideal for the cold winter months. It sometimes happens that the lock of your car is frozen and you cannot open your car. This can lead to some frustrations and cost you a lot of time. With this Valma W90C lock defroster, that need no longer be a problem for you. You just need to spray a little bit of the stuff into your keyhole and the lock defrosts almost instantly. You can also rub your key with the stuff. Then the lock will not freeze again in the coming days and you can get into your car right next time.